Google search guru Amit Singhal believes the search-engine of the future will be "a perfect personal assistant" — knowing what you want, when you want it.

Although people can travel to the moon's surface without leaving their armchairs, search-engine developments so far are just "baby steps" to "the holy grail of search", Singhal told AFP in a rare interview.

Singhal, 44, has already brought transformational change to the Internet since he took over development ...
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